Fission, Fusion, Exothermic, Endothermic

If a reaction gives off heat, it is called___________.
exothermic
If a reaction absorbs heat, it is called___________.
endothermic
What does thermic mean?
heat
What does the prefix endo- mean?
inside
What does the prefix ex- mean
outside of
If the chemical reaction has energy listed as a product, then the reaction is ___________________.
exothermic
Fusion
splits
Where does fusion happen?
on the sun
Where does fission happen?
in nuclear power plants
What happens during nuclear fission?
GREAT amounts of energy are formed from SMALL amounts of mass
What happens during fission to release energy?
splitting the nucleus of an atom
What happens during fusion to release energy?
joining of the nucleus of two atoms
What is the nuclear reaction that produces the sun’s energy in the form of heat and light?
fusion
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